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Carat Hunter · Where to buy diamonds

Where to buy a 1.5ct lab-grown asscher diamond

Every retailer in our index stocking this size and shape, 56 of them, across 26,424 live listings.

Updated September 14, 2026 · Independent. Zero affiliate revenue.

The market at this size and shape

Active listings

26,424

Retailers carrying

56

Median active price

£406

Grade combinations

28

Certificate mix:IGI 24,541 · GIA 983 · HRD 78 · GCAL 71

What it actually costs

Lower 10% £225Median £406Upper 10% £1,543

Middle half sell between £318 to £1,239

Certificated stones with a live price only, 5,873 of them. Each contributes its best available price.

The same stone, priced differently

Typical spread

294%

Typical difference

£880

Stones compared

3,153

Across 3,153 stones of this size and shape carried by more than one retailer, the dearest listing sits 294% above the cheapest for the identical certificated diamond, a typical gap of £880. That gap is what comparing before you buy avoids.

Every retailer that stocks this spec

Ranked by active inventory count. Selection is mechanical, not editorial.

Show 15 more retailers

Stock counts are updated daily. Founded, return window and shipping details are retailer-provided and were last verified June 15, 2026.

Narrow it down by grade

Each combination below has its own page with the retailers that stock exactly that grade.

D VVS25,991 · 47rD VS14,185 · 41rE VVS23,937 · 41rE VS12,980 · 42rD VVS12,747 · 39rD VS21,086 · 35rE VVS1971 · 37rF VVS2689 · 39rF VS1636 · 41rE VS2607 · 35rD IF580 · 34rE IF278 · 26rD FL252 · 21rF VVS1240 · 36rG VVS2217 · 32rG VS1212 · 36rF VS2180 · 32rH VS1125 · 29rG VS2124 · 28rG VVS191 · 24rH VS271 · 18rH VVS254 · 18rG IF38 · 19rH VVS137 · 10rI VS132 · 18rE FL29 · 14rI VVS211 · 4rI VS210 · 6r

Stones at this spec now

Live examples carried by more than one retailer, so the comparison is real. Prices shown in USD.

What this spec means

  • Asscher: a square step cut with cropped corners.
  • Lab-grown: chemically identical to natural diamonds, typically 60% to 80% less than a comparable natural cohort.

Frequently asked

How much do retailers differ on the same diamond?

Across 3,153 identical stones carried by more than one retailer, the typical gap between the cheapest and dearest listing is 294%, about £880.

Can I see retailers for one exact grade?

Yes. Each of the 28 colour and clarity combinations above has its own page listing the retailers that stock exactly that grade.

Does Carat Hunter earn commission from these retailers?

No. We earn zero affiliate revenue from any retailer in our index.

How fresh is this data?

Live listings refresh daily. Static facts about each retailer refresh weekly.

How is the retailer ranking calculated?

Strictly by active inventory count for this exact spec. The retailer carrying the most stones at the spec ranks first. There is no editorial input, weighting or affiliate consideration.

Why do you not show per-retailer prices on this page?

Prices vary per stone, not per store. Click through to any matched diamond and you will see every retailer's price on the exact same physical stone, which is the meaningful comparison.